RANKING · 2010 CENSUS · 51 SHOWN OF 51

Largest Scotch-Irish population, US states · 2010

US states ranked by the number of residents who are Scotch-Irish ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. California leads at 435,810. 51 states qualify in total. The top 25 average 174,020, against an all-states median of 66,784.

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SAME RANKING BYCities Counties Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS –

USUnited States1.7% of US population308,745,5385,227,821–

01California, CACA39,287,377435,810–

02Texas, TXTX30,188,424402,443–

03North Carolina, NCNC10,730,404340,471–

04Florida, FLFL22,416,077289,491–

05Pennsylvania, PAPA13,018,639251,058–

06Virginia, VAVA8,705,170201,730–

07Tennessee, TNTN7,066,383199,359–

08Ohio, OHOH11,810,293190,369–

09Georgia, GAGA10,940,407183,779–

10New York, NYNY19,852,366164,725–

11Washington, WAWA7,816,116162,034–

12Michigan, MIMI10,077,761156,935–

13South Carolina, SCSC5,296,225151,637–

14Illinois, ILIL12,694,798142,246–

15Massachusetts, MAMA7,044,056123,361–

16Missouri, MOMO6,191,814115,144–

17Alabama, ALAL5,086,768113,134–

18Colorado, COCO5,862,189108,078–

19Arizona, AZAZ7,378,838103,566–

20Oregon, OROR4,254,29396,630–

21Indiana, ININ6,851,07395,439–

22Kentucky, KYKY4,534,82490,125–

23New Jersey, NJNJ9,343,80983,028–

24Maryland, MDMD6,206,01181,798–

25Oklahoma, OKOK4,028,63468,107–

26Mississippi, MSMS2,946,77966,784–

27Arkansas, ARAR3,049,39158,485–

28Kansas, KSKS2,947,19757,792–

29Louisiana, LALA4,611,96157,163–

30Minnesota, MNMN5,739,44552,686–

31West Virginia, WVWV1,778,37352,425–

32Maine, MEME1,387,81749,414–

33Connecticut, CTCT3,624,50848,840–

34Wisconsin, WIWI5,914,87248,166–

35Iowa, IAIA3,210,50746,067–

36Nevada, NVNV3,184,61236,943–

37Utah, UTUT3,392,33135,636–

38New Hampshire, NHNH1,394,86834,354–

39New Mexico, NMNM2,120,24632,039–

40Idaho, IDID1,934,26230,722–

41Nebraska, NENE1,978,70728,504–

42Montana, MTMT1,116,87525,373–

43Vermont, VTVT647,10616,765–

44Wyoming, WYWY582,39716,466–

45Alaska, AKAK735,70616,456–

46Delaware, DEDE1,021,19115,385–

47Rhode Island, RIRI1,101,80115,267–

48Hawaii, HIHI1,445,23512,407–

49South Dakota, SDSD907,4289,400–

50North Dakota, NDND784,8417,878–

51District of Columbia, DCDC681,2945,907–

SHOWING 1–51 OF 51

Download CSV (full list, 51 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS

Frequently asked

Which state has the highest scotch-irish population?

California ranks #1 with 435,810 (2010 Decennial Census).

What are the top 5 states by scotch-irish population?

California, Texas, North Carolina, Florida, Pennsylvania.

How many states are in this ranking?

51 states qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.

How is scotch-irish population measured?

Number of residents who are Scotch-Irish ancestry (Ancestry, ACS detailed tables). Source: US Census Bureau, 2010 Decennial Census.